162. A retirement pension payable to a beneficiary under 70 years of age shall be reduced, in prescribed manner, by an amount of $0.50 for each dollar by which his employment earnings for the year exceed twelve times his monthly exempt earnings.
For a year in which a retirement pension becomes payable or in which the beneficiary reaches 70 years of age or dies, only his employment earnings for the months after the pension has become payable but before he reaches 70 years of age or dies are included for the purposes of this section, and the amount above which the pension is reduced shall reduced to the proportion that the number of such months bears to 12.
1965 (1st sess.), c. 24, s. 170; 1972, c. 53, s. 48.